a = -√7 atau a = √7
Penjelasan dengan langkah-langkah:
a²-7=0
a² = 7
a = ±√7
a²-7 = 0
a = ±
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a = -√7 atau a = √7
Penjelasan dengan langkah-langkah:
a²-7=0
a² = 7
a = ±√7
a = -√7 atau a = √7
a²-7 = 0
a² = 7
a = ±